31440136

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2273}}^1$

素因数の和:2318

約数の個数: 64

約数和(自身を含む): 76406400

約数和(自身を除く): 44966264

約数列:

[1, 2, 4, 7, 8, 13, 14, 19, 26, 28, 38, 52, 56, 76, 91, 104, 133, 152, 182, 247, 266, 364, 494, 532, 728, 988, 1064, 1729, 1976, 2273, 3458, 4546, 6916, 9092, 13832, 15911, 18184, 29549, 31822, 43187, 59098, 63644, 86374, 118196, 127288, 172748, 206843, 236392, 302309, 345496, 413686, 561431, 604618, 827372, 1122862, 1209236, 1654744, 2245724, 2418472, 3930017, 4491448, 7860034, 15720068, 31440136]

約数ペア:

[(1, 31440136), (2, 15720068), (4, 7860034), (7, 4491448), (8, 3930017), (13, 2418472), (14, 2245724), (19, 1654744), (26, 1209236), (28, 1122862), (38, 827372), (52, 604618), (56, 561431), (76, 413686), (91, 345496), (104, 302309), (133, 236392), (152, 206843), (182, 172748), (247, 127288), (266, 118196), (364, 86374), (494, 63644), (532, 59098), (728, 43187), (988, 31822), (1064, 29549), (1729, 18184), (1976, 15911), (2273, 13832), (3458, 9092), (4546, 6916)]